About the Surveys

About the Surveys
The data in this report are based on two independent survey administrations with the same randomly selected, nationally representative group of respondents. The first is the center's largest survey on domestic politics to date: the 2014 Political …
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Refuge Notebook: Breeding Bird Surveys – Quick! Three Beers!
The Breeding Bird Survey is a North American survey beginning in 1966, and is designed to get a wide-spread idea of bird population numbers. These numbers are then compared to prior years to track the changes in bird distribution. The surveys are …
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